jest.config.json

{
  "roots": ["<rootDir>/src"],

  "globals": {
    "__DEV__": true
  },

  "transform": {
    "\\.(js|jsx)?$": "babel-jest",
    "\\.(ts|tsx)?$": "ts-jest",
    "\\.(css|styl|less|sass|scss)$": "<rootDir>/node_modules/jest-css-modules-transform"
  },

  "transformIgnorePatterns": ["node_modules/react-circular-prgoressbar"],

  "setupFiles": [
    "jest-localstorage-mock",
    "<rootDir>/src/__tests__/setupTests.ts"
  ],

  "setupFilesAfterEnv": ["@testing-library/jest-dom/extend-expect"],

  "testRegex": "(/__tests__/.*.(test|spec)).(ts|tsx|jsx|js)?$",

  "moduleFileExtensions": ["ts", "tsx", "js", "jsx", "json", "node", "css"],

  "moduleDirectories": ["<rootDir>/src", "node_modules"],

  "moduleNameMapper": {
    "^@root(.*)$": "<rootDir>/src$1",
    "^@utils/(.*)$": "<rootDir>/src/utils/$1",
    "^@context/(.*)$": "<rootDir>/src/context/$1",
    "^@components/(.*)$": "<rootDir>/src/components/$1",
    "^@assets/(.*)$": "<rootDir>/src/assets/$1",
    "react-i18next": "<rootDir>/node_modules/react-i18next"
  },

  "collectCoverage": true,
  "coverageReporters": ["lcov"],
  "coverageDirectory": "test-coverage",
  "coverageThreshold": {
    "global": {
      "branches": 0,
      "functions": 0,
      "lines": 0,
      "statements": 0
    }
  },

  "verbose": true
}